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LT.
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Does any one know how to hook up the glow gauges specifically the wiring? There are only two wires a red on and a black on. Any info on the BEST way to hook the gauges up would be great. Thanks
 

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With my experience usually black is the ground(-) and red is positive(+). Try grounding the black wire and wiring the red one into the light switch.
 

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Wire them into the taillight line (it's connected to the headlight switch)... anywhere else you should consider using a relay.
 

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i believe i connected mine to my fog lamp circuit. So when ever the marker lights are on, the circuit juiced. I did it 4 years ago, so i don't remember very well, but i will be doing another kit soon on my new car. Oh, yeah the relays go out often sometimes, i am on my 3rd. The 3rd one has lasted 2 years. first one was dead out of box, second one lasted for about a year. Really annoying!
 

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If your fogs are coming on with the markers they've been rewired. The taillight circuit controls the markers.
 
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